1 // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC. 2 // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. 3 // All Rights reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 #include <ceed/ceed.h> 18 #include <ceed/backend.h> 19 #include <string.h> 20 #include "ceed-vectorpoisson3dapply.h" 21 22 /** 23 @brief Set fields for Ceed QFunction applying the 3D Poisson operator 24 on a vector system with three components 25 **/ 26 static int CeedQFunctionInit_Vector3Poisson3DApply(Ceed ceed, 27 const char *requested, 28 CeedQFunction qf) { 29 int ierr; 30 31 // Check QFunction name 32 const char *name = "Vector3Poisson3DApply"; 33 if (strcmp(name, requested)) 34 // LCOV_EXCL_START 35 return CeedError(ceed, CEED_ERROR_UNSUPPORTED, 36 "QFunction '%s' does not match requested name: %s", 37 name, requested); 38 // LCOV_EXCL_STOP 39 40 // Add QFunction fields 41 const CeedInt dim = 3, num_comp = 3; 42 ierr = CeedQFunctionAddInput(qf, "du", num_comp*dim, CEED_EVAL_GRAD); 43 CeedChk(ierr); 44 ierr = CeedQFunctionAddInput(qf, "qdata", dim*(dim+1)/2, CEED_EVAL_NONE); 45 CeedChk(ierr); 46 ierr = CeedQFunctionAddOutput(qf, "dv", num_comp*dim, CEED_EVAL_GRAD); 47 CeedChk(ierr); 48 49 return CEED_ERROR_SUCCESS; 50 } 51 52 /** 53 @brief Register Ceed QFunction for applying the 3D Poisson operator 54 on a vector system with three components 55 **/ 56 CEED_INTERN int CeedQFunctionRegister_Vector3Poisson3DApply(void) { 57 return CeedQFunctionRegister("Vector3Poisson3DApply", Vector3Poisson3DApply_loc, 58 1, Vector3Poisson3DApply, 59 CeedQFunctionInit_Vector3Poisson3DApply); 60 } 61